Arrangement of counting devices

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Patents Grantslast 30 patents

Information Patent Grant
Tally stamp devices, systems, and methods
- Patent number 10,300,725
- Issue date May 28, 2019
- Charles Bishop
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand stamp with use count and smart phone authorization
- Patent number 10,286,701
- Issue date May 14, 2019
- Silicon Valley Micro E Corp.
- Shengbo Zhu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Combined ink stamp and digital counter device and associated method
- Patent number 7,954,429
- Issue date Jun 7, 2011
- Hatim Abukhdair
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Counting stamper apparatus
- Patent number 4,532,642
- Issue date Jul 30, 1985
- Spectrum Manufacturing Inc.
- James A. Morris
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2283130
- Patent number 2,283,130
- Issue date May 12, 1942
- G06 - COMPUTING CALCULATING COUNTING