Optical fibres

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Game apparatus
- Patent number 5,183,256
- Issue date Feb 2, 1993
- Calvin L. Hale
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game Board
- Patent number 5,121,926
- Issue date Jun 16, 1992
- Sem-Com Col, Inc.
- Michael V. Pfaender
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
History game apparatus utilizing fiber optic cable segments
- Patent number 5,087,050
- Issue date Feb 11, 1992
- Thomas D. Donovan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Decorative or display device
- Patent number 5,037,105
- Issue date Aug 6, 1991
- Benjamino P. L. J. Klein
- G02 - OPTICS
Information Patent Grant
Light transmission puzzle game
- Patent number 4,605,231
- Issue date Aug 12, 1986
- Lawrence D. Richman
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game score reproduction device for indoor board games such as chess...
- Patent number 3,977,682
- Issue date Aug 31, 1976
- Seizaburo Aida
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3893671
- Patent number 3,893,671
- Issue date Jul 8, 1975
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3579856
- Patent number 3,579,856
- Issue date May 25, 1971
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS