Lockley Services Pty. Ltd.

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Victoria, AU

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Patents Grantslast 30 patents

Information Patent Grant
Sheet printed with invisible inks, developers and erasure compounds...
- Patent number 4,477,593
- Issue date Oct 16, 1984
- Lockley Services Pty. Ltd.
- Roderick P. J. Tomlinson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet printed with invisible inks
- Patent number 4,322,466
- Issue date Mar 30, 1982
- Lockley Services Pty. Ltd.
- Roderick P. J. Tomlinson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

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