· California Contractor’s License C-61/D16, C61/D28 C28.
(Doors, locks, safes, automatic doors, access control, electric door control devices)
· California Bureau of Investigative Services Locksmith Registration
· American Association of Automatic Door Manufacturers (AAADM) Associate.
· Over 40 feature articles published in security and locksmith trade magazines.
· Hold 8 patents on life safety and door control designs.
· International business experience.
· Trainer, guest speaker.
· Expert witness/consultant.
Dick Zunkel, Consultant