Norman P Gammon DeceasedPO Box 99078, Emeryville, CA 94662
Norman Gammon Phones & Addresses
Emeryville, CA
33 Sandpoint Dr, Richmond, CA 94804
1201 Melville Sq, Richmond, CA 94804
Cambria, CA
San Rafael, CA
Alameda, CA
Toms River, NJ
Mentions for Norman P Gammon
Publications & IP owners
Us Patents
Construction String Reel
US Patent:
4662078, May 5, 1987
Filed:
Jun 2, 1986
Appl. No.:
6/869420
Inventors:
Norman P. Gammon - San Francisco CA
Phillip R. Gammon - San Francisco CA
Phillip R. Gammon - San Francisco CA
Assignee:
Gammon Reel, Inc. - San Francisco CA
International Classification:
B43L 700
US Classification:
33413
Abstract:
Disclosed herewith is an improved reel assembly for surveyors and other construction trades wherein the resilient member that retrieves the plumb line or string is entirely enclosed in the spool assembly that is contained within the housing of the reel assembly. The spool assembly is formed so that it is difficult to obtain access to the resilient member thereby precluding inadvertent release of the spring assembly.
Plumb Bob
US Patent:
4461091, Jul 24, 1984
Filed:
Jun 11, 1982
Appl. No.:
6/387374
Inventors:
Norman P. Gammon - San Francisco CA
Assignee:
Gammon Reel, Inc. - San Francisco CA
International Classification:
G01C 1510
US Classification:
33392
Abstract:
A plumb bob is disclosed that consists of a relatively low-density plastic frustoconical outer shell formed about a relatively high density metallic core. The plumb bob includes a conical support collar at its smaller end, the collar defining an axial bore for receiving either a threaded conventional plumb bob point or a conventional concrete nail. At its other end, the plumb bob defines a smooth curved surface forming a knobbed extension leading to an axial bore for fixing the supporting string. This smooth curve of the knobbed extension prevents undue wear to the supporting string when the plumb bob is in use. The construction of the plumb bob is such that the outer shell and the knobbed extension may be made of impact resistant polycarbonate plastic having a high visibility color.
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